"The alumni network is like a giant little black book you can access years after you leave," says Jenny Soderlind, alumni communications manager at London Business School.

“校友圈子就像一本绝妙的小黑册子，在你离校多年后都可以使用，”伦敦商学院(London Business School)校友交流管理人詹妮·索德·林德表示。